<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>新龙科技</title>
</head>
<body>

对象的访问
{{user.username}}---{{user.email}} <br>
{{user['username']}}---{{user['email']}}<br>
{{person.username}}---{{person.email}}<br>
{{person.username|length}}---{{person.email}}<br>
{{person.time|dformat}}---{{person.email}}<br>
{{person.username|center(80)}}---{{person.email}}<br>
{{person.username|replace( '李', '王', count = 1)}}---{{person.email}}<br>


<script>
   let dd =  new Date()
   console.log(dd.getTime()); 

</script>

</body>
</html>